Titrations- Autocatalysis of Oxalate Ion with Permanganate

Autocatalysis of Oxalate Ion with Permanganate

Description: Acidic oxalate ion is titrated by permanganate to a pink endpoint.

Source: UW Card Catalog

Year: N/A   Vol: N/A   Page: N/A

Keywords:  Catalysis, Titration, Potassium Permanganate, Sodium Oxalate

Rating:

Hazard: High

  • Acute toxicity hazard – oral, dermal
  • Short and long term aquatic toxicity hazard
  • Carcinogenicity hazard
  • Oxidizer
  • Skin corrosion hazard
  • Serious eye damage
  • Corrosive to metals

Effectiveness: Average

  • Results are observable with guidance
  • Mild effects are seen by audience
  • Moderate failure rate
  • Time to results is medium
  • Some connection from demo to course material

Difficulty: High

  • Precise addition of reagents required
  • Use of mildly reactive substances
  • Some intermediate steps to results
  • Some careful manipulations required
  • Demos in which toxic reagents are in use
  • Demos in which a display is used
  • Use of scientific equipment

Safety Precautions:

  • Eye protection required
  • Gloves required
  • Absorbent materials on hand
  • Avoid exposure to mists or droplets
  • Perform in a well-ventilated area
  • Use UL approved three-prong plug and outlet
  • Prevent release of reagents to the environment

Class: Kinetics, Redox, Titrations,

Division: General, Analytical Chemistry

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